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Carbon accumulation in a high country direct seeded Pinus radiata stand
Authors: Murray Davis, David Henley, Thomas PaulPublication: New Zealand Journal of Forestry, Volume N.Z.J.For. 2011, Issue N.Z.J.For. 56(4) 2012, pp 31-33, Jan 2012
Publisher: New Zealand Institute of Forestry
Abstract: A stand of radiata pine (Pinus radiata) established by direct seeding in unimproved low-productivity grassland in the South Island high country was measured at age 18 to determine growth and carbon accumulation rates. The mean annual volume increment was found to be similar to that of conventionally planted high country stands in a similar rainfall environment if a three-year time-lag allowance was made for seeded stock to reach a similar size to planted stock. Total carbon dioxide equivalents (CO2-e) in above and below ground live, dead wood and fine litter pools was estimated to be 417 t/ha at age 18 and 804 t/ha at age 30. The mean annual CO2-e accumulation rate amounted to 26.8 t/ha over a thirty year rotation. Returns from forest carbon accumulation are substantially greater than can be obtained from pastoral farming from similar high country environments.
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